How to Calculate the Radius from Circumference or Diameter

Learn the simple formulas to find the radius from circumference or diameter in this quick guide.

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To find the radius when given the circumference, use the formula: radius = circumference / (2 * π). If you are given the diameter, the formula is much simpler: radius = diameter / 2. These straightforward calculations allow you to determine the radius quickly and efficiently, facilitating various practical and educational applications.

FAQs & Answers

  1. What is the formula to find the radius from circumference? The formula to find the radius from circumference is radius = circumference / (2 * π).
  2. How do you calculate the radius from diameter? To calculate the radius from diameter, simply use the formula: radius = diameter / 2.
  3. Why is knowing how to find the radius important? Knowing how to find the radius is important for various applications in mathematics and real-world contexts, such as calculating areas and volumes.

Watch More

For more insights, check out our other videos on geometry, where we explain concepts like diameter, circumference, and area calculations.

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